CN209840922U - Once measuring instrument for bearing inner diameter double-raceway central diameter - Google Patents
Once measuring instrument for bearing inner diameter double-raceway central diameter Download PDFInfo
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- CN209840922U CN209840922U CN201920990964.3U CN201920990964U CN209840922U CN 209840922 U CN209840922 U CN 209840922U CN 201920990964 U CN201920990964 U CN 201920990964U CN 209840922 U CN209840922 U CN 209840922U
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Abstract
The utility model discloses a two raceway center footpath measuring apparatu in bearing internal diameter, the instrument of raceway and lower raceway center footpath and last raceway and lower raceway ditch heart apart from in measuring bearing, including two center footpath measuring stick and a ditch heart apart from the measuring stick, wherein: each central diameter measuring rod comprises a measuring rod, a first movable ruler, a first dial indicator, a spring and a semi-sphere, a first strip-shaped opening is formed in the measuring rod, the first dial indicator is fixed on the measuring rod, the first movable ruler is arranged in the measuring rod, and the first movable ruler is fixedly connected with the semi-sphere; the ditch heart-distance measuring rod includes connecting rod, second percentage table and second and removes the chi, the both ends of connecting rod respectively with two gauge rod fixed connection, the one end and the first chi fixed connection that removes of second removal chi, the second percentage table is fixed on the outer wall of connecting rod. The utility model discloses a two raceway center footpath of bearing internal diameter once measuring apparatu can the diameter of two raceways of bearing and the simultaneous measurement of interval, are showing and are improving measurement of efficiency and measurement accuracy.
Description
Technical Field
The utility model relates to a technical field of bearing especially relates to a bearing double track center measuring apparatu.
Background
The prior art measurements of the raceway of a bearing typically require movement of a measuring head or arm of a measuring instrument, such as a vernier caliper, micrometer or dial gauge.
The traditional Chinese patent with the patent publication number of CN208921017U discloses a large-size workpiece outer diameter measuring device for a wind power bearing, which comprises a dial indicator and a ruler body, wherein a micrometer is arranged on a movable ruler frame arranged on the ruler body, and the distance is measured by the micrometer.
In practical use, the existing large-scale bearing is provided with double raceways, the measuring tool cannot measure the central diameters of the two raceways and the groove center distance of the two raceways at the same time, and a part to be improved exists.
SUMMERY OF THE UTILITY MODEL
To the problem of the aforesaid production, the utility model aims to provide a two raceway center footpath measuring apparatu in bearing internal diameter, the central footpath of last raceway and lower raceway in the synchronous measurement bearing reaches the instrument of raceway and lower raceway ditch heart distance.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
two raceway center footpath measuring apparatu in bearing internal diameter includes two center footpath measuring stick and a ditch heart apart from measuring stick, wherein: each central diameter measuring rod comprises a measuring rod, a first movable ruler, a first dial indicator, a spring and a semi-sphere, the measuring rod is of a hollow structure with two ends penetrating through, a first long-strip-shaped opening is formed in the measuring rod, the first dial indicator is fixed on the measuring rod, the first movable ruler is arranged in the measuring rod, the first movable ruler is in a shape like a Chinese character 'ji', the upper end of the first movable ruler penetrates through the first long-strip-shaped opening, a measuring head on the first dial indicator is abutted against the upper side of the first movable ruler, one end, far away from the first dial indicator, of the first movable ruler is fixedly connected with the semi-sphere, one end of the spring is fixedly connected with one end of the measuring rod, and the other end of the spring is fixedly connected with one end, close to the semi-sphere, of the first movable ruler; the groove center distance measuring rod comprises a connecting rod, a second dial indicator and a second movable ruler, the connecting rod is of a hollow structure with two ends penetrating through, the two ends of the connecting rod are fixedly connected with the two measuring rods respectively, the connecting rod is communicated with the two measuring rods, a second long-strip-shaped opening is formed in the connecting rod, the second movable ruler is in a shape like ﹄, one end of the second movable ruler is fixedly connected with the first movable ruler, the other end of the second movable ruler penetrates through the second long-strip-shaped opening, the second dial indicator is fixed to the outer wall of the connecting rod, and a measuring head on the second dial indicator abuts against the second movable ruler.
In a preferred embodiment, the first movable ruler is of an integrated structure, the first movable ruler comprises a cross rod and a measuring rod, the lower end of the measuring rod is connected with one end of the cross rod, the other end of the cross rod is connected with the semi-sphere, the measuring rod is perpendicular to the cross rod, and the measuring rod penetrates through the first elongated opening.
In a preferred embodiment, the two measuring rods are parallel, and the connecting rod is perpendicular to both the two measuring rods.
In a preferred embodiment, the first elongated opening is formed along a radial direction of the measuring rod, and the second elongated opening is formed along a radial direction of the connecting rod.
In a preferred embodiment, the first and second dial indicators are digital display dial indicators.
In a preferred embodiment, the first dial indicator is fixed on the measuring rod through a locking nut, and the second dial indicator is fixed on the connecting rod through the locking nut.
The utility model discloses owing to adopt above-mentioned technique, make it compare the positive effect that has with prior art and be:
(1) the utility model discloses a two raceway center footpath of bearing internal diameter once measuring apparatu can the diameter of two raceways of bearing and the simultaneous measurement of interval, are showing and are improving measurement of efficiency and measurement accuracy.
Drawings
Fig. 1 is a cross-sectional view of the bearing inner diameter double-raceway center diameter primary measuring instrument of the present invention.
In the drawings: 1. a central diameter measuring rod; 11. a measuring rod; 111. a first elongated opening; 12. a first movable scale; 121. a cross bar; 122. a measuring rod; 13. a first percentile table; 14. a spring; 15. a semi-sphere; 2. a furrow center distance measuring rod; 21. a connecting rod; 211. a second elongated opening; 22. a second dial indicator; 23. a second movable ruler.
Detailed Description
The utility model provides a two raceway center footpath measuring apparatu of bearing internal diameter, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the drawing and lifts the example the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order, it being understood that the data so used may be interchanged under appropriate circumstances. Furthermore, the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a system, article, or apparatus that comprises a list of elements is not necessarily limited to those elements explicitly listed, but may include other elements not expressly listed or inherent to such system, article, or apparatus.
The utility model provides a bearing inner diameter double-raceway center diameter one-time measuring instrument, which comprises two center diameter measuring rods 1 and a groove center distance measuring rod 2, as shown in fig. 1, each central diameter measuring rod 1 includes a measuring rod 11, a first movable ruler 12, a first dial indicator 13, a spring 14 and a semi-sphere 15, the measuring rod 11 is a hollow structure with two ends penetrating through, a first elongated opening 111 is disposed on the measuring rod 11, the first dial indicator 13 is fixed on the measuring rod 11, the first movable ruler 12 is disposed in the measuring rod 11, the first movable ruler 12 is in a shape of "cap", an upper end of the first movable ruler 12 penetrates through the first elongated opening 111, a measuring head on the first dial indicator 13 abuts against an upper side of the first movable ruler 12, one end of the first movable ruler 12 far away from the first dial indicator 13 is fixedly connected with the semi-sphere 15, one end of the spring 14 is fixedly connected with one end of the measuring rod 11, and the other end of the spring 14 is fixedly connected with one end of the first movable ruler 12 near the semi-sphere 15.
During the measurement, the one end of the measuring rod 11 is supported on the raceway of the bearing, the semi-sphere 15 is placed on the other side of the raceway, the semi-sphere 15 drives the first movable ruler 12 to move in the first strip-shaped opening 111, the measuring head of the first dial gauge 13 is supported on the first movable ruler 12 to measure the diameter of the raceway, the measuring precision is high, and the two central diameter measuring rods 1 can measure the diameters of the two raceways simultaneously.
The groove center distance measuring rod 2 comprises a connecting rod 21, a second dial indicator 22 and a second movable ruler 23, the connecting rod 21 is a hollow structure with two ends penetrating through, two ends of the connecting rod 21 are respectively fixedly connected with the two measuring rods 11, the connecting rod 21 is communicated with the two measuring rods 11 in a homogeneous phase mode, a second long strip-shaped opening 211 is formed in the connecting rod 21, the second movable ruler 23 is in a shape of ﹄, one end of the second movable ruler 23 is fixedly connected with a first movable ruler 12, the other end of the second movable ruler 23 penetrates through the second long strip-shaped opening 211, the second dial indicator 22 is fixed on the outer wall of the connecting rod 21, and a measuring head on the second dial indicator 22 abuts against the second movable ruler 23.
When the two central diameter measuring rods 1 are placed in the two rolling ways for diameter measurement, the first movable ruler 12 connected with the second movable ruler 23 moves up and down according to the distance between the two rolling ways to drive the second movable ruler 23 to move synchronously, one side of the second movable ruler 23 moves up and down in the second strip-shaped opening 211, and the measuring head of the second dial indicator 22 is abutted against the second movable ruler 23 to measure the distance between the two rolling ways.
Compared with the prior art, the utility model provides a two raceway center footpath measuring apparatu of bearing internal diameter when using, realizes two raceway diameters of synchronous measurement, interval between the simultaneous measurement two raceways, simple structure, the manufacturing of being convenient for, easy operation during the use, the installation of being convenient for helps improving measurement of efficiency.
Further, first movable ruler 12 is the integral type structure, and first movable ruler 12 includes horizontal pole 121 and measuring stick 122, and the lower extreme of measuring stick 122 is connected with the one end of horizontal pole 121, and the other end of horizontal pole 121 is connected with hemisphere 15, and measuring stick 122 is mutually perpendicular with horizontal pole 121, and measuring stick 122 runs through first rectangular shape opening 111.
It should also be noted that the terms "upper" and "lower" as used herein are defined with reference to the relative positions of the components in fig. 1, are used for clarity and convenience in describing the technical solutions, and it should be understood that the terms should not be used to limit the scope of the present application.
Also, in the embodiment of the present invention, the two measuring rods 11 are parallel, the connecting rod 21 is perpendicular to both the two measuring rods 11, the two measuring rods 11 are disposed along the horizontal direction, the connecting rod 21 is disposed along the vertical direction, and the connecting rod 21 and the two measuring rods 11 are arranged in an "i" shape.
In addition, in other embodiments, the two measuring rods 11 may be perpendicular to each other, and the connecting rod 21 may be perpendicular to both the two measuring rods 11, the two measuring rods 11 being disposed in the horizontal direction, and the connecting rod 21 being disposed in the vertical direction.
Further, the first elongated opening 111 is formed along the radial direction of the measuring rod 11, the second elongated opening 211 is formed along the radial direction of the connecting rod 21, the improvement of the measuring accuracy is facilitated, and the first dial indicator 13 and the second dial indicator 22 are digital display dial indicators.
Further optimize above-mentioned technical scheme, first percentage table 13 passes through lock nut to be fixed on graduated flask 11, and second percentage table 13 passes through lock nut to be fixed on connecting rod 21.
Of course, above-mentioned structure can also be realized through other modes, for example make ditch heart apart from measuring stick 2 can use the telescopic link, be equipped with the scale on the telescopic link, put into two raceways with two central footpath measuring sticks 1 after, drive the telescopic link extension or shrink, personnel can read the interval of two raceways through the scale on the telescopic link.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (6)
1. Two raceway center footpath measuring apparatu in bearing internal diameter, the instrument of the center footpath of last raceway and lower raceway and last raceway and lower raceway centre of a groove distance of heart in the measurement bearing, it includes two center footpaths measuring stick and a groove centre of a groove distance measuring stick, its characterized in that:
each central diameter measuring rod comprises a measuring rod, a first movable ruler, a first dial indicator, a spring and a semi-sphere, the measuring rod is of a hollow structure with two ends penetrating through, a first long-strip-shaped opening is formed in the measuring rod, the first dial indicator is fixed on the measuring rod, the first movable ruler is arranged in the measuring rod, the first movable ruler is in a shape like a Chinese character 'ji', the upper end of the first movable ruler penetrates through the first long-strip-shaped opening, a measuring head on the first dial indicator is abutted against the upper side of the first movable ruler, one end, far away from the first dial indicator, of the first movable ruler is fixedly connected with the semi-sphere, one end of the spring is fixedly connected with one end of the measuring rod, and the other end of the spring is fixedly connected with one end, close to the semi-sphere, of the first movable ruler;
the groove center distance measuring rod comprises a connecting rod, a second dial indicator and a second movable ruler, the connecting rod is of a hollow structure with two ends penetrating through, the two ends of the connecting rod are fixedly connected with the two measuring rods respectively, the connecting rod is communicated with the two measuring rods, a second long-strip-shaped opening is formed in the connecting rod, the second movable ruler is in a shape like ﹄, one end of the second movable ruler is fixedly connected with the first movable ruler, the other end of the second movable ruler penetrates through the second long-strip-shaped opening, the second dial indicator is fixed to the outer wall of the connecting rod, and a measuring head on the second dial indicator abuts against the second movable ruler.
2. The bearing inner diameter double-raceway center diameter primary measuring instrument according to claim 1, wherein the first movable ruler is of an integral structure, the first movable ruler includes a cross bar and a measuring rod, a lower end of the measuring rod is connected to one end of the cross bar, the other end of the cross bar is connected to the semi-spherical ball, the measuring rod is perpendicular to the cross bar, and the measuring rod penetrates through the first elongated opening.
3. The primary diameter measuring instrument for the double raceway center diameter of the bearing of claim 1, wherein the two gauge rods are parallel, and the connecting rod is perpendicular to both gauge rods.
4. The primary measuring instrument for the inner diameter of the bearing and the central diameter of the double-raceway according to claim 1, wherein the first elongated opening is formed along a radial direction of the measuring rod, and the second elongated opening is formed along a radial direction of the connecting rod.
5. The bearing inner diameter double-raceway center diameter primary measuring instrument according to claim 1, wherein the first dial indicator and the second dial indicator are digital display dial indicators.
6. The primary measuring instrument for the inner diameter of the bearing and the central diameter of the double-raceway according to claim 1, wherein the first dial indicator is fixed on the measuring rod through a locking nut, and the second dial indicator is fixed on the connecting rod through the locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990964.3U CN209840922U (en) | 2019-06-27 | 2019-06-27 | Once measuring instrument for bearing inner diameter double-raceway central diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990964.3U CN209840922U (en) | 2019-06-27 | 2019-06-27 | Once measuring instrument for bearing inner diameter double-raceway central diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209840922U true CN209840922U (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920990964.3U Active CN209840922U (en) | 2019-06-27 | 2019-06-27 | Once measuring instrument for bearing inner diameter double-raceway central diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209840922U (en) |
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2019
- 2019-06-27 CN CN201920990964.3U patent/CN209840922U/en active Active
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